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The vulnerability of AMD’s microprogramming software lies in the improper isolation of common resources between trusted and untrusted agents, allowing attackers to elevate their privileges.

🗓️ 29 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 1 Views

Microcode flaw: isolation between trusted and untrusted agents enables privilege escalation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-54518
15 May 202603:06
–attackerkb
Amd		CPU OP Cache Corruption
12 May 202600:00
–amd
Circl		CVE-2025-54518
12 May 202616:38
–circl
CNNVD		AMD EPYC Processor 安全漏洞
12 May 202600:00
–cnnvd
Citrix		Security Bulletins for XenServer
21 Aug 202406:47
–citrix
CVE		CVE-2025-54518
15 May 202603:06
–cve
Cvelist		CVE-2025-54518
15 May 202603:06
–cvelist
Debian CVE		CVE-2025-54518
15 May 202603:06
–debiancve
Oracle linux		Unbreakable Enterprise kernel security update
10 May 202600:00
–oraclelinux
Oracle linux		Unbreakable Enterprise kernel security update
10 May 202600:00
–oraclelinux
Rows per page
Vulners
Node
microsoftwindows_server_2016_(server_core_installation)Range<10.0.14393.9140
OR
microsoftwindows_server_2016Range<10.0.14393.9140
OR
microsoftwindows_10_1607Range<10.0.14393.9140
OR
microsoftwindows_11_26h1Range<10.0.28000.2113
OR
microsoftwindows_server_2025Range<10.0.26100.32860
OR
microsoftwindows_server_2025Range<10.0.26100.32772
OR
microsoftwindows_11_24h2Range<10.0.26100.8457
OR
microsoftwindows_11_24h2Range<10.0.26100.8390
OR
microsoftwindows_server_2022,_23h2_edition_(server_core_installation)Range<10.0.25398.2330
OR
microsoftwindows_11_23h2Range<10.0.22631.7079
OR
microsoftwindows_11_25h2Range<10.0.26200.8457
OR
microsoftwindows_11_25h2Range<10.0.26200.8390
OR
microsoftwindows_server_2025_(server_core_installation)Range<10.0.26100.32860
OR
microsoftwindows_server_2025_(server_core_installation)Range<10.0.26100.32772
OR
microsoftwindows_10_22h2Range<10.0.19045.7291
OR
microsoftwindows_10_21h2Range<10.0.19044.7291
OR
microsoftwindows_server_2022_(server_core_installation)Range<10.0.20348.5139
OR
microsoftwindows_server_2022Range<10.0.20348.5139
OR
microsoftwindows_server_2019_(server_core_installation)Range<10.0.17763.8755
OR
microsoftwindows_server_2019Range<10.0.17763.8755
OR
microsoftwindows_10_1809Range<10.0.17763.8755

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29 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26
CVSS 37
EPSS0.00258
microcode flawisolation issuetrusted untrustedprivilege escalation
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